CN216763388U - Material returning device of e-shaped elastic strip winding machine - Google Patents
Material returning device of e-shaped elastic strip winding machine Download PDFInfo
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- CN216763388U CN216763388U CN202123236169.1U CN202123236169U CN216763388U CN 216763388 U CN216763388 U CN 216763388U CN 202123236169 U CN202123236169 U CN 202123236169U CN 216763388 U CN216763388 U CN 216763388U
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Abstract
The utility model discloses a material returning device of an e-shaped elastic strip winding machine, which comprises a material returning rack, wherein a bearing seat is assembled and connected on the material returning rack, a rotary bearing is assembled and connected on the bearing seat, a main shaft is rotatably connected on the rotary bearing, the main shaft is provided with the rotary bearing, and the left side of the main shaft is fixedly assembled and connected with a forming die; the main shaft is assembled and connected with a material returning mechanism; the material returning mechanism comprises a material returning disc which is connected to the forming die in a sliding mode, and the right side of the main shaft is connected with a material pushing disc corresponding to the material returning disc in a sliding mode; a plurality of material pushing rods are assembled and connected between the material pushing disc and the material returning disc and penetrate through the rotary bearing; the material returning mechanism further comprises a material returning oil cylinder which is assembled and connected to the right side of the top of the material returning rack, a piston rod of the material returning oil cylinder is assembled and connected with a shifting fork plate, and the shifting fork plate is arranged on the right side of the material pushing plate; the device also comprises a material receiving mechanism arranged on the right side of the top of the material returning rack. By adopting the design of the parts of the device, uniform material returning of the e-shaped elastic strip is realized, the material taking and positioning precision is higher after material returning, and the device is convenient for next-step forming.
Description
Technical Field
The utility model belongs to the technical field of e-shaped elastic strip processing, and particularly relates to a material returning device of an e-shaped elastic strip winding machine.
Background
The e-shaped elastic strip is a locking fastener and is mainly used as a locking fastener connecting piece on a track, particularly, on an urban traffic track, the track and a base under the track are connected into a whole through the e-shaped elastic strip, and the e-shaped elastic strip has elastic force, so that the e-shaped elastic strip can play a role in buffering.
Based on the extensive use of e-shaped elastic strips, many public reports are available about the technical improvement of e-shaped elastic strip processing, for example, the Chinese patent application numbers are: CN201911398826.7 discloses an e type bullet strip preformer to disclose following technical scheme:
the prepress comprises a host and a feeding mechanism; the main machine comprises a rack, an elastic strip pre-pressing mounting plate, an oil cylinder and a pressing head, wherein the elastic strip pre-pressing mounting plate is mounted on the rack, a pre-pressing station is arranged between the elastic strip pre-pressing mounting plate and the working surface of the rack, the oil cylinder is mounted at the top of the rack, the pressing head is mounted on the oil cylinder and driven by the oil cylinder to press downwards, and the elastic strip pre-pressing mounting plate penetrates through the surface of the e-shaped elastic strip; feeding mechanism includes adjustable shelf, bullet strip bracket guide rail, bracket cylinder, but adjustable shelf horizontal migration, and the vertical setting of bullet strip bracket guide rail is installed at the adjustable shelf, and bullet strip bracket sliding assembly is at bullet strip bracket guide rail, and the bracket cylinder is installed at the adjustable shelf and is driven bullet strip bracket, and bullet strip bracket is used for placing e type bullet strip and send it to the pre-compaction station. Through the technical scheme, the production efficiency and the process quality level are improved, and the safety risk is reduced.
The key steps of processing the e-shaped elastic strip are as follows: the material returned process after the bar shaping, how high-efficient, firm material returned, the accurate technical problem of material returned after above-mentioned patent and the device that prior art disclosed all can not effectively solve the bar shaping formation e type bullet strip.
Based on this, in the actual processing production process, often have the material returned in-process, the promotion point that promotes e type bullet strip is inaccurate, leads to the material returned precision not high, can't stabilize, accurate material returned.
SUMMERY OF THE UTILITY MODEL
Based on the above background, the utility model aims to provide a material returning device of an e-type elastic strip winding machine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a material returning device of an e-shaped elastic strip winding machine comprises a material returning rack, wherein a bearing seat is assembled and connected onto the material returning rack, a rotary bearing is assembled and connected onto the bearing seat, a main shaft is rotatably connected onto the rotary bearing, and a forming die is fixedly assembled and connected to the left side of the main shaft;
the main shaft is assembled and connected with a material returning mechanism;
the material returning mechanism comprises a material returning disc which is connected to the forming die in a sliding mode, and a material pushing disc corresponding to the material returning disc is connected to the right side of the main shaft in a sliding mode;
a plurality of material pushing rods are assembled and connected between the material pushing disc and the material returning disc and penetrate through the rotary bearing;
the material returning mechanism further comprises a material returning oil cylinder which is assembled and connected to the right side of the top of the material returning rack, a piston rod of the material returning oil cylinder is assembled and connected with a shifting fork plate, and the shifting fork plate is arranged on the right side of the material pushing plate;
when the material returning oil cylinder pushes the fork pulling plate, the fork pulling plate pushes the material pushing plate;
the main shaft is assembled and connected with a swing oil cylinder;
the material returning device of the e-shaped elastic strip winding machine further comprises a material receiving mechanism arranged on the right side of the top of the material returning rack, and the e-shaped elastic strips returned on the forming die are received through the material receiving mechanism.
Preferably, the bottom of the material returning oil cylinder is fixedly connected with an oil cylinder seat, and the oil cylinder seat is fixedly assembled on the material returning rack.
Preferably, the fork pulling plate comprises a fork opening part for pushing the material pushing disc, a fork arm part is integrally formed on the fork opening part, and a piston rod of the material returning oil cylinder is fixedly connected to the fork arm part.
Preferably, a cylinder body seat is assembled and connected to a cylinder body of the swing oil cylinder, and the cylinder body seat is fixedly assembled on the material returning rack;
the top of the cylinder body seat is fixedly connected with a support frame for supporting the main shaft, and the main shaft is connected to the support frame in a sliding mode.
Preferably, the material receiving mechanism comprises a clamping cylinder arranged on the right side of the main shaft, and parallel gas claws for clamping e-shaped elastic strips are assembled and connected to the clamping cylinder;
and opening the clamping cylinder, and clamping the e-shaped elastic strip by the parallel air claws.
Preferably, receiving mechanism still includes telescopic cylinder, telescopic cylinder's piston rod fixedly connected with bearing seat board, the assembly connection has the U-shaped seat on the bearing seat board, the fixed assembly connection has the mounting panel on the U-shaped seat, die clamping cylinder's cylinder body right side wall fixed mounting is on the mounting panel.
Preferably, the mounting panel is towards left fixedly connected with a plurality of assembly pole, fixedly connected with material receiving claw mounting disc between the assembly pole, the left side wall fixedly connected with a plurality of profile modeling material receiving claw of material receiving claw mounting disc.
Preferably, the rotary blanking part is assembled and connected to the right side of the top of the material returning rack; and rotationally blanking through the rotary blanking part.
Preferably, the rotary blanking part comprises a rotary cylinder; the rotary air cylinder is connected with a rotary flange in an assembling mode, the rotary flange is connected with a rotary shaft in an assembling mode, the rotary shaft is connected with a telescopic air cylinder bottom plate in an assembling mode, and a cylinder body of the telescopic air cylinder is fixedly assembled on the telescopic air cylinder bottom plate.
Preferably, the revolving shaft is connected with a shaft seat in an assembling manner, the shaft seat is connected with a cylinder body stand in a sliding manner, and a cylinder body of the rotary cylinder is fixedly assembled on the cylinder body stand.
The utility model has the following beneficial effects:
the utility model discloses a material returning device of an e-shaped elastic strip winding machine, which has the following beneficial effects in the structure of the device disclosed by the utility model:
1. the device structure disclosed by the utility model adopts a material returning mechanism, specifically adopts a material returning plate which is connected on a forming die in a sliding manner, the right side of a main shaft is connected with a material pushing plate corresponding to the material returning plate in a sliding manner, a material pushing rod penetrates through the main shaft to connect the material returning plate with the material pushing plate, a material returning oil cylinder and a piston rod of the material returning oil cylinder, and is connected with a fork pulling plate in an assembling manner, the fork pulling plate is arranged on the right side of the material pushing plate and comprises a fork opening part for pushing the material pushing plate, a fork arm part is integrally formed at the fork opening part, a piston rod of the material returning oil cylinder is fixedly connected to the fork arm part, and when the material returning oil cylinder pushes the fork pulling plate, the fork opening part on the fork pulling plate pushes the material pushing plate. Due to the fact that the fork opening portion is adopted, the contact surface of the e-type bullet strip semi-finished product can be large, the stress surface is even in the pushing process, the pushing disc can be stably pushed to push the pushing disc, the pushing disc drives the pushing rod to push the material returning disc to slide relative to the forming die, and at the moment, under the action of the material returning disc, the e-type bullet strip semi-finished product can stably and accurately slide down from the forming die.
2. Through designing receiving mechanism, specifically, adopt the design of profile modeling to connect the material claw among the receiving mechanism, the profile modeling connects the material claw to design according to the semi-manufactured geometry of e type bullet strip, realizes that the e type bullet strip semi-manufactured goods of material returned unloading at first accurately enters into the profile modeling and connects the material claw to can stabilize and place on the profile modeling connects the material claw, at last by above-mentioned die clamping cylinder centre gripping. This mode realizes the accurate centre gripping of the e type bullet strip semi-manufactured goods under the material returned, has improved the precision of unloading.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a material returning mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a receiving mechanism in an embodiment of the utility model;
FIG. 4 is an enlarged schematic structural view of a receiving mechanism in an embodiment of the utility model;
FIG. 5 is a schematic structural diagram of a connection relationship between the material returning mechanism and the spindle according to an embodiment of the present invention;
FIG. 6 is a right side view of the embodiment of the present invention shown in FIG. 1;
FIG. 7 is a schematic structural diagram of a material receiving frame according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a connection relationship between the main shaft and the rotary bearing and the linear bearing according to the embodiment of the present invention.
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-8, a material returning device of an e-shaped elastic strip winding machine comprises a material returning rack 1, wherein the material returning rack 1 comprises a vertical rack and a base part assembled and connected with the bottom of the vertical rack.
Material returned frame 1 is gone up the assembly and is connected with bearing frame 22 (specifically at perpendicular frame position), 22 assembly connection has slewing bearing 221 on the bearing frame, slewing bearing 211 is last to rotate to be connected with main shaft 2 (owing to adopt slewing bearing to rotate and connect main shaft 2 design, consequently, main shaft 2 can be relative slewing bearing rotatory), the left side fixed assembly of main shaft 2 is connected with forming die 7. In the working process, a bar (the bar is an e-shaped elastic strip processing material) is inserted on the forming die 7, the main shaft 2 rotates, and in the rotating process, the main shaft 2 drives the forming die 7 to rotate, so that the bar is formed into an e-shaped elastic strip semi-finished product 6.
The main shaft 2 is connected with a swing oil cylinder 3 in an assembling mode, and the main shaft 2 rotates through the swing oil cylinder 3.
According to the existing mode, a cylinder body seat is assembled and connected with a cylinder body of the swing oil cylinder 3, and the cylinder body seat is fixedly assembled on the material returning rack 1; the top of the cylinder body seat is fixedly connected with a support frame for supporting the main shaft 2, and the main shaft 2 is connected to the support frame in a sliding mode.
Through the processing, the e-shaped semi-finished elastic strip 6 is formed, and in order to realize accurate material returning, the main shaft 2 is provided with a material returning mechanism 21 in an assembling connection mode.
The material returning mechanism 21 has the following specific structure:
the material returning mechanism 21 comprises a material returning disc 215 connected to the forming die 7 in a sliding manner, and a material pushing disc 211 corresponding to the material returning disc 215 is connected to the right side of the main shaft 2 in a sliding manner; a plurality of material pushing rods 212 are assembled and connected between the material pushing disc 211 and the material returning disc 215.
The main shaft 2 is fixedly assembled and connected with 3 linear bearings 23 (specifically, the longitudinal section of the main shaft 2 is T-shaped, an assembly hole for assembling and installing the linear bearing 23 is formed at the end position, the linear bearing 23 is installed in the assembly hole on the main shaft 2), and the material pushing rod 212 penetrates through the linear bearing 23 (and is connected with the linear bearing 23 in a sliding connection mode). The mode is designed to drive the material pushing rod 212 to rotate in the rotation process of the main shaft 2, and the material pushing rod 212 can move linearly relative to the linear bearing 23.
The material returning mechanism 21 further comprises a material returning oil cylinder 214 (the bottom of the material returning oil cylinder 214 is fixedly connected with an oil cylinder seat 2141, the oil cylinder seat 2141 is fixedly assembled on the material returning frame 1) which is assembled and connected to the right side of the top of the material returning frame 1, a piston rod of the material returning oil cylinder 214 is assembled and connected with a fork pulling plate 213, and the fork pulling plate 213 is arranged on the right side of the material pushing disc 211.
Specifically, pull out fork board 213 is including the fork mouth portion that promotes pushing away charging tray 211, fork mouth portion integrated into one piece has the fork arm, material returned cylinder 214's piston rod fixed connection is on the fork arm, and when material returned cylinder 214 promoted and pulls out fork board 213, the fork mouth portion that pulls out on the fork board 213 promotes pushing away charging tray 211. Due to the adoption of the design of the fork opening part, the contact surface with the material pushing disc 211 is large, so that in the pushing process, the stress surface is uniform, the material pushing disc 211 can be stably pushed by the fork plate 213, the material pushing disc 211 drives the material pushing rod 212 to push the material returning disc 215 to slide relative to the forming die 7, and at the moment, under the action of the material returning disc 215, the e-shaped semi-finished elastic strip 6 slides down from the forming die 7.
In the actual work process, assemble a plurality of adjustable push rod on the lateral wall of material returning plate 215 towards e type bullet strip semi-manufactured goods 6, specifically through threaded connection on the material returning plate to through the screw thread regulation height, several thrust points can be adjusted to the coplanar, make the bar atress more even.
In order to realize that the e-shaped semi-finished elastic strip 6 sliding down from the forming die 7 is stably connected with the material and is conveniently pushed to the next process, the material returning device of the e-shaped semi-finished elastic strip 6 winding machine further comprises a material receiving mechanism 4 arranged on the right side of the top of the material returning rack 1, and the e-shaped semi-finished elastic strip 6 returned down from the forming die 7 is connected with the material through the material receiving mechanism 4.
Specifically, the material receiving mechanism 4 comprises a clamping cylinder 44 arranged on the right side of the main shaft 2, and a parallel air claw 42 for clamping the e-shaped semi-finished elastic strip 6 is assembled and connected on the clamping cylinder 44; and the clamping cylinder 44 is opened, and the parallel air claws 42 clamp the e-shaped elastic strip semi-finished product 6.
The clamping mode is as follows:
when the e-shaped semi-finished product 6 falls onto the parallel air claw 42, the parallel air claw 42 moves outwards under the action of the clamping air cylinder 44, so that the inner side of the e-shaped semi-finished product 6 is outwards clamped by the e-shaped semi-finished product 6 in an expansion mode.
The receiving mechanism 4 further comprises a telescopic cylinder 41, a piston rod of the telescopic cylinder 41 is fixedly connected with a bearing seat plate 411, the bearing seat plate 411 is assembled and connected with a U-shaped seat 4111, the U-shaped seat 4111 is fixedly assembled and connected with a mounting plate, and the right side wall of a cylinder body of the clamping cylinder 44 is fixedly assembled on the mounting plate.
The mounting panel is towards left fixedly connected with a plurality of assembly 4311 pole, fixedly connected with connects material claw mounting disc 431 between the assembly pole 4311, the left side wall fixedly connected with a plurality of profile modeling of connecting material claw mounting disc 431 connects material claw 43. The profiling material receiving claw 43 is designed according to the geometric shape of the e-shaped spring strip semi-finished product 6, the e-shaped spring strip semi-finished product 6 subjected to material returning and blanking firstly enters the profiling material receiving claw 43, can be stably placed on the profiling material receiving claw 43, and is finally clamped by the clamping cylinder 44. The profiling material receiving claw 43 is composed of a plurality of cylinders, and the curve formed by the contour line of the outer side of each cylinder is matched with the curve of the inner side of the formed e-shaped elastic strip semi-finished product.
The e-shaped semi-finished elastic strip 6 is stably clamped in the above mode.
The right side of the top of the material returning rack 1 is assembled and connected with a rotary blanking part 5; the cylinder body of the telescopic cylinder 41 is rotated by the rotary blanking member 5. The clamped e-shaped semi-finished elastic strip 6 needs to enter the next process, and at this time, after the e-shaped semi-finished elastic strip 6 carried by the telescopic cylinder 41 moves towards the right side, the rotary blanking part 5 is used for rotary blanking.
Specifically, the rotary blanking member 5 includes a rotary cylinder 51 (the rotary blanking member 5 further includes a cylinder frame 511, and a cylinder of the rotary cylinder 51 is fixedly fitted to the cylinder frame 511); the rotary cylinder 51 is fixedly provided with a rotary flange, the rotary flange is assembled and connected with a rotary shaft (the rotary shaft is assembled and connected with a shaft seat 52, the shaft seat 52 is assembled on the cylinder body frame 511), the rotary shaft is assembled and connected with a telescopic cylinder bottom plate 521, and the cylinder body of the telescopic cylinder 41 is fixedly assembled on the telescopic cylinder bottom plate 521.
Specifically, the telescopic cylinder base plate 521 is fixedly attached to an attachment end of the rotating shaft.
Under the rotation action of the rotary cylinder 51, the e-shaped semi-finished elastic strip 6 (the e-shaped semi-finished elastic strip 6 rotates along with the telescopic cylinder 41 to be blanked at the same time, moves to a designated working section and is further processed.)
Particularly, the blanking of e type elastic strip semi-manufactured goods 6 is to connecing on the work or material rest 7 under revolving action of revolving cylinder 51, specifically, in the actual work process, connects work or material rest 7 through the design on material returned frame 1, and the convenience connects the material with e type elastic strip semi-manufactured goods 6 after the processing.
The top of the material returning rack 1 is connected with a motor 11 and an oil pump 12 in an assembling manner, high-pressure oil is formed by the oil pump 12 through the motor 11, and according to the existing working connection mode, the high-pressure oil is pumped into the swing oil cylinder 3 and the material returning oil cylinder 214 by the oil pump 12 to provide power for the swing oil cylinder 3 and the material returning oil cylinder 214.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. The material returning device of the e-shaped elastic strip winding machine is characterized by comprising a material returning rack, wherein a bearing seat is assembled and connected to the material returning rack, a rotary bearing is assembled and connected to the bearing seat, a main shaft is rotatably connected to the rotary bearing, and a forming die is fixedly assembled and connected to the left side of the main shaft;
the main shaft is assembled and connected with a material returning mechanism;
the material returning mechanism comprises a material returning disc which is connected to the forming die in a sliding mode, and the right side of the main shaft is connected with a material pushing disc corresponding to the material returning disc in a sliding mode;
a plurality of material pushing rods are assembled and connected between the material pushing disc and the material returning disc and penetrate through the rotary bearing;
the material returning mechanism further comprises a material returning oil cylinder which is assembled and connected to the right side of the top of the material returning rack, a piston rod of the material returning oil cylinder is assembled and connected with a shifting fork plate, and the shifting fork plate is arranged on the right side of the material pushing plate;
when the material returning oil cylinder pushes the fork pulling plate, the fork pulling plate pushes the material pushing plate;
the main shaft is assembled and connected with a swing oil cylinder;
the material returning device of the e-shaped elastic strip winding machine further comprises a material receiving mechanism arranged on the right side of the top of the material returning rack, and the e-shaped elastic strips returned from the forming die are received by the material receiving mechanism.
2. The material returning device of the e-type elastic strip winding machine according to claim 1, characterized in that the bottom of the material returning oil cylinder is fixedly connected with an oil cylinder base, and the oil cylinder base is fixedly assembled on a material returning rack.
3. The material returning device of the e-type elastic strip winding machine according to claim 1, wherein the fork pulling plate comprises a fork opening part for pushing the material pushing disc, a fork arm part is integrally formed on the fork opening part, and a piston rod of the material returning oil cylinder is fixedly connected to the fork arm part.
4. The material returning device of the e-type elastic strip winding machine according to claim 1, wherein a cylinder body seat is assembled and connected to a cylinder body of the swing oil cylinder, and the cylinder body seat is fixedly assembled on a material returning rack;
the top of the cylinder body seat is fixedly connected with a support frame for supporting the main shaft, and the main shaft is connected to the support frame in a sliding mode.
5. The material returning device of the e-type elastic strip winding machine according to claim 1, wherein the material receiving mechanism comprises a clamping cylinder arranged on the right side of the main shaft, and parallel air claws for clamping e-type elastic strips are assembled and connected on the clamping cylinder;
and opening the clamping cylinder, and clamping the e-shaped elastic strip by the parallel air claws.
6. The material returning device of an e-type elastic strip winding machine as claimed in claim 5, wherein the material receiving mechanism further comprises a telescopic cylinder, a bearing seat plate is fixedly connected to a piston rod of the telescopic cylinder, a U-shaped seat is assembled and connected to the bearing seat plate, a mounting plate is fixedly assembled and connected to the U-shaped seat, and a right side wall of a cylinder body of the clamping cylinder is fixedly assembled and connected to the mounting plate.
7. The material returning device of the e-type elastic strip winding machine as claimed in claim 6, wherein a plurality of assembling rods are fixedly connected to the mounting plate towards the left, a material receiving claw mounting plate is fixedly connected between the assembling rods, and a plurality of profiling material receiving claws are fixedly connected to the left side wall of the material receiving claw mounting plate.
8. The material returning device of the e-type elastic strip winding machine according to claim 6, characterized in that a rotary blanking part is assembled and connected to the right side of the top of the material returning rack; and rotationally blanking through the rotary blanking part.
9. The e-type elastic strip winding machine material returning device as claimed in claim 8, characterized in that said rotary blanking member comprises a rotary cylinder; the rotary cylinder is connected with a rotary flange in an assembling mode, the rotary flange is connected with a rotary shaft in an assembling mode, the rotary shaft is connected with a telescopic cylinder bottom plate in an assembling mode, and a cylinder body of the telescopic cylinder is fixedly assembled on the telescopic cylinder bottom plate.
10. The e-type elastic strip winding machine material returning device as claimed in claim 9, wherein the cylinder body of the rotary cylinder is fixedly assembled on the cylinder body stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236169.1U CN216763388U (en) | 2021-12-20 | 2021-12-20 | Material returning device of e-shaped elastic strip winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236169.1U CN216763388U (en) | 2021-12-20 | 2021-12-20 | Material returning device of e-shaped elastic strip winding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216763388U true CN216763388U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123236169.1U Active CN216763388U (en) | 2021-12-20 | 2021-12-20 | Material returning device of e-shaped elastic strip winding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216763388U (en) |
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2021
- 2021-12-20 CN CN202123236169.1U patent/CN216763388U/en active Active
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